/* UIxCalTasksListView.m - this file is part of SOGo
 *
 * Copyright (C) 2006 Inverse groupe conseil
 *
 * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
 *
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This file is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#import <Foundation/NSDate.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSString.h>
#import <Foundation/NSValue.h>

#import <NGExtensions/NSCalendarDate+misc.h>
#import <Appointments/SOGoAppointmentFolder.h>
#import <SOGoUI/SOGoDateFormatter.h>

#import "UIxCalTasksListView.h"

@implementation UIxCalTasksListView

- (id) init
{
  if ((self = [super init]))
    {
      startDate = nil;
      endDate = nil;
      knowsToShow = NO;
      showCompleted = NO;
    }

  return self;
}

- (void) _updatePrivacyInObjects: (NSArray *) objectInfos
		      fromFolder: (SOGoAppointmentFolder *) folder
{
  int hideDetails[] = {-1, -1, -1};
  NSMutableDictionary *currentRecord;
  int privacyFlag;
  NSString *roleString, *userLogin;
  NSEnumerator *infos;

  userLogin = [[context activeUser] login];
  infos = [objectInfos objectEnumerator];
  currentRecord = [infos nextObject];
  while (currentRecord)
    {
      privacyFlag = [[currentRecord objectForKey: @"classification"] intValue];
      if (hideDetails[privacyFlag] == -1)
	{
	  roleString = [folder roleForComponentsWithAccessClass: privacyFlag
			       forUser: userLogin];
	  hideDetails[privacyFlag] = ([roleString isEqualToString: @"ComponentDAndTViewer"]
				      ? 1 : 0);
	}
      if (hideDetails[privacyFlag])
	{
	  [currentRecord setObject: [self labelForKey: @"(Private Event)"]
			 forKey: @"title"];
	  [currentRecord setObject: @"" forKey: @"location"];
	}
      currentRecord = [infos nextObject];
    }
}

- (NSArray *) _fetchCoreInfosForComponent: (NSString *) component
{
  NSArray *currentInfos;
  NSMutableArray *infos;
  NSEnumerator *folders;
  SOGoAppointmentFolder *currentFolder;

  infos = [componentsData objectForKey: component];
  if (!infos)
    {
      infos = [NSMutableArray array];
      folders = [[self _activeCalendarFolders] objectEnumerator];
      currentFolder = [folders nextObject];
      while (currentFolder)
        {
          currentInfos = [currentFolder fetchCoreInfosFrom: [[self startDate] beginOfDay]
                                        to: [[self endDate] endOfDay]
                                        component: component];
          [currentInfos makeObjectsPerform: @selector (setObject:forKey:)
                        withObject: [currentFolder ownerInContext: nil]
                        withObject: @"owner"];
	  [self _updatePrivacyInObjects: currentInfos
		fromFolder: currentFolder];
          [infos addObjectsFromArray: currentInfos];
          currentFolder = [folders nextObject];
        }
      [componentsData setObject: infos forKey: component];
    }

  return infos;
}

- (NSArray *) fetchCoreAppointmentsInfos
{
  if (!appointments)
    [self setAppointments: [self _fetchCoreInfosForComponent: @"vevent"]];
  
  return appointments;
}

- (WOResponse *) tasksListAction
{
  WOResponse *response;
  NSDictionary *tasks;
  NSMutableArray *filteredTasks;
  BOOL showCompleted;
  unsigned i, count;

  response = [context response];
  filteredTasks = [NSMutableArray new];
  [filteredTasks autorelease];
  tasks = [self _fetchCoreInfosForComponent: @"vtodo"];
  showCompleted = [[self queryParameterForKey: @"show-completed"] intValue];
  
  count = [tasks count];
  for (i = 0; i < count; i++) {
    NSDictionary *task;
    NSArray *filteredTask;

    task = [tasks objectAtIndex: i];
    
    if ([[task objectForKey: @"status"] intValue] != 1 
	|| showCompleted)
      {
	filteredTask = [NSArray arrayWithObjects:
				  [task objectForKey: @"c_name"],
				[task objectForKey: @"owner"],
				[task objectForKey: @"status"],
				[task objectForKey: @"title"],
				[self getStatusClassForTask: task],
				nil];
      [filteredTasks addObject: filteredTask];
    }
  }
  
  [response setStatus: 200];
  [response appendContentString: [filteredTasks jsonRepresentation]];

  return response;
}

- (BOOL) shouldDisplayCurrentTask
{
  if (!knowsToShow)
    {
      showCompleted
        = [[self queryParameterForKey: @"show-completed"] intValue];
      knowsToShow = YES;
    }

  return ([[currentTask objectForKey: @"status"] intValue] != 1
	   || showCompleted);
}

- (BOOL) shouldShowCompletedTasks
{
  if (!knowsToShow)
    {
      showCompleted
        = [[self queryParameterForKey: @"show-completed"] intValue];
      knowsToShow = YES;
    }

  return showCompleted;
}

@end
